hot airn.

a1398 J. Trevisa tr. Bartholomaeus Anglicus De Proprietatibus Rerum (BL Add. 27944) (1975) I. iii. xxiv. 127 Hote aier and coolde and drye and temperat varieþ and changiþ þe puls.

1542 T. Elyot Bibliotheca at Febris In the vital spirites it hapnith by wrath inflaming, by thought or sorow restraining, by hot aire chaufing, or by cold aire stoppyng.

1603 P. Holland tr. Plutarch Morals 995 When we breath with our mouthes wide open, wee let foorth the hot aire that is within us.

a1670 J. Hacket Cent. Serm. (1675) 587 It appears that exhalations and hot air may be instrangled within the bowels of the earth.

1715 J. T. Desaguliers tr. N. Gauger Fires Improv'd 118 What opens the passage for hot Air to go into the Room, may shut out the cold Air, and so reciprocally.

1759 H. Wood Brit. Patent 739 2 If the hot air be driven into the cylinder with a force superior to the pressure of the atmosphere, that force will drive out the condensed air.

1833 J. Holland Treat. Manuf. Metal II. 173 The close fire-places, or stoves properly so called, the principle of which is the emission of hot air.

1862 A. Trollope N. Amer. I. 263 That deathly flow of hot air coming up..from the neighbouring infernal regions.

1910 Westm. Gaz. 8 Mar. 5/2 Even in its modern application the use of hot air is vividly reminiscent of the Montgolfier age.

1947 W. L. Carmichael et al. Callaway Textile Dict. 360/1 Tumbler, a clothes-drying device consisting of a revolving cage in which hot air is circulated.

1986 A. Limon et al. Home Owner Man. (ed. 2) Appendix 868 A strong current of hot air from the cooker.

2006 New Yorker 18 Dec. 77/2 The eccentric heating system blew gusts of hot air toward their bed.

1873 ‘M. Twain’ & C. D. Warner Gilded Age xliv. 399 The most airy scheme inflated in the hot air of the Capital.

1900 G. Ade Fables in Slang 126 They strolled under the Maples, and he talked what is technically known as Hot Air.

1922 Daily Mail 20 Nov. 8 Much ‘hot air’ from the politicians.

1956 A. Wilson Anglo-Saxon Attitudes ii. iii. 365 He shouldn't have poll-parroted his life away in humbug and hot air.

1970 ‘T. Coe’ Wax Apple (1973) xxiv. 170 I think you're just full of hot air... I don't believe you know anything.

1987 M. Dorris Yellow Raft in Blue Water (1988) ix. 166 The usual slate of old men..full of hot air and their own importance.

2001 A. Taylor Death's Own Door (2002) xxvi. 190 Lydmouth's such a small place that tongues are bound to wag. Ten to one it's just hot air.

1813 M. Edgeworth Let. 26 Apr. (1971) 27 When first the hot air flues were opened..the hot air all escaped.

1861 I. M. Beeton Bk. Househ. Managem. xli. 1009 A better arrangement is to have a hot-air closet,..heated by hot-air pipes.

1892 R. L. Stevenson & L. Osbourne Wrecker i. 24 I designed..a hot-air grating for the offices.

1950 Jrnl. Sci. Instruments 27 35/1 The copper served rapidly to conduct away the heat..by convection currents and other hot air currents.

1973 Times 8 Jan. 2/5 (caption) A hot-air airship, claimed to be the world's first, making its maiden flight yesterday from Newbury, Berkshire.

1990 Newsweek 16 Apr. 86/1 Carvey comes up with a scheme to promote a men's room hot-air blower.

2002 Wildlife Soc. Bull. 30 723/2 I reactivated the suit between trials using a hot-air clothes drier.

1900 C. L. Cullen Tales of Ex-tanks 350 Am I to understand that these meetings are going to be allowed to degenerate into exploitations of Longfellowish wooziness on the part of every hot-air pumper?

1906 T. Beyer Amer. Battleship 228 The official hot-air merchant of the camp.

1910 Sat. Evening Post 2 July 13/3 ‘Hot-air artists’ was a phrase uncoined; the farmer called them ‘jawsmiths’.

1920 ‘Sapper’ Bull-dog Drummond xii. 308 Author—so-called. Hot-air factory, but useful up to a point.

1953 A. T. Hobart Serpent-wreathed Staff v. 46 A hot-air artist like the colonel had it coming to him.

1993 N.Y. Times 13 Apr. a 18/5 Mr. Clinton said Republican complaints that his jobs bill was larded with wasteful, pork barrel spending was ‘hot air rhetoric.’

2005 C. Newbrook Ducks in Row 23 A hot air merchant. He can talk the talk all right. But can he walk the walk?

1834 A. Gordon Treat. Elemental Locomotion (ed. 2) ii. 32 Hot Air Engines.—Mr. Samuel Crossley, some years ago, exhibited an engine which produced a motive power by heat imparted to and abstracted from air.

1858 Sci. Amer. 20 Jan. 168/4 He [sc. George Cayley] invented a hot air engine, long before the Ericsson was dreamed of.

1911 C. J. Lynde Home Waterworks xiv. 193 The hot-air engine is used almost exclusively for pumping water. The source of energy is the heat of combustion of some form of fuel.

2003 F. T. Kryza Power of Light iv. 112 Though the hot-air engine was slow, its efficiency was much greater than any steam engine of its time.

1902 Decatur (Illinois) Herald 15 Aug. 2/4 Pana has a promoter who is on to his job. He knows how to aim his hot air gun after he gets back home.

1927 N.Y. Times 12 June 24/2 The further step was the use of a hot-air gun on paper treated with nickel. On the application of heat the nickel paper turns from white to a handsome sepia.

1970 Radiation Res. 42 247 The irradiation cell contained a fine deposit of solid material which would not distill into the traps, even when the cell was warmed gently with a hot-air gun.

2007 Daily Record (Nexis) 27 Jan. 54 For a more professional job, get a hot air gun and strip off all the old layers of paint back to the bare wood.